KR200399135Y1 - UPS Using Individual Battery Kit - Google Patents

UPS Using Individual Battery Kit Download PDF

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Publication number
KR200399135Y1
KR200399135Y1 KR20-2005-0022829U KR20050022829U KR200399135Y1 KR 200399135 Y1 KR200399135 Y1 KR 200399135Y1 KR 20050022829 U KR20050022829 U KR 20050022829U KR 200399135 Y1 KR200399135 Y1 KR 200399135Y1
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South Korea
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battery
ups
individual
batteries
management device
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KR20-2005-0022829U
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Korean (ko)
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정창권
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정창권
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014Circuits for equalisation of charge between batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

본 고안은 개별적축전지관리장치를 이용한 무정전전원장치(UPS)에 관한 것이다.The present invention relates to an uninterruptible power supply (UPS) using an individual battery management device.

본 고안에 따르면, 도1과 같이 무정전전원장치에는 여러 개의 축전지가 사용되는 데 각 축전지의 특성을 개별적으로 파악하여 불량 축전지가 나타나면 다른 축전지에 나쁜 영향을 주지 않토록 미리 교체할 수 있도록하고 각각의 축전지가 최적의 충방전을 할 수 있도록 조절하고 관리하여 충전용량과 수명 그리고 안정성을 최대한으로 확보할 수 있도록 하는 장치이다.According to the present invention, as shown in FIG. 1, a plurality of batteries are used in an uninterruptible power supply, and the characteristics of each battery are individually identified so that a defective battery can be replaced in advance so as not to adversely affect other batteries. It is a device that controls and manages the battery for optimal charging and discharging to ensure maximum charging capacity, life and stability.

Description

개별적축전지관리장치를 이용한 무정전전원장치 {UPS Using Individual Battery Kit}Uninterruptible power supply using individual battery management device {UPS Using Individual Battery Kit}

이하 첨부도면을 참고하여 설명하면 다음과 같다.When described with reference to the accompanying drawings as follows.

도2는 종래의 UPS의 계통도이다. 도2의 축전지설비를 보면 1개의 축전지 특성만 가지고 축전지군 전체를 관리하므로 1개의 불량 축전지로 인해 전체의 축전지의 수명을 단축시키는 결과를 초래할 수 밖에 없는 시스템으로 되어 있고 각각의 축전지상태를 파악할 수 없을 뿐아니라 개별적으로 충방전을 할 수 없게 되어 시스템의 수명이 짧고 효율 낮다.2 is a system diagram of a conventional UPS. In the battery installation of FIG. 2, since the entire battery group is managed with only one battery characteristic, the system is inevitably shortening the lifespan of the whole battery due to one defective battery, and each battery state can be identified. Not only is it impossible to charge and discharge individually, but the system life is short and efficiency is low.

본 고안이 속하는 기술 분야는 최근 UPS 보급이 급격히 증가되면서 UPS의 관리비와 환경문제에 직간접으로 관련이 있는 축전지의 효율적인 관리가 요구 되는데 지금까지는 축전지군 전체를 하나의 축전지로 보고 관리되므로서 효율과 수명에 크게 나쁜 영향을 주게된다. 즉 특성이 같은 축전지라도 어느정도 사용하게 되면 특성이 달라지게 되는데 이를 감안하지 않고 일률적으로 충방전를 하게 되면 상태가 좋은 축전지는 과충전를 하게 되므로 그 역시 빠르게 나빠지고 전체적으로 수명이 단축되어 에너지 효율이 떨어져 경제적 손실과 빈번한 축전지 교체로 환경적 문제가 발생된다.In the technical field to which the present invention belongs, the recent rapid increase in the number of UPSs requires efficient management of batteries that are directly or indirectly related to the management cost and environmental problems of UPS. It will have a big bad effect on it. In other words, even if the same characteristics of the battery is used to some extent, the characteristics will be different, but if the charge and discharge uniformly without taking this into account, the battery in good condition will be overcharged. Frequent battery replacement causes environmental problems.

본 고안은 상기와 같은 문제점을 해결하기 위하여 축전지의 개별적 충방전, 개별적관리 개념을 도입하여 장시간 연속하여 축전지를 사용하는 경우 불량 축전지를 미리 발견하고 교체할 수 있도록 하고 각 축전지가 최적의 충전과 방전을 할 수 있도록 조절,관리하여 축전지가 최대의 충전 용량과 수명 연장 그리고 안정성을 확보할 수 있도록 한다.In order to solve the above problems, the present invention introduces the concept of individual charge / discharge and individual management of batteries, so that when the batteries are used continuously for a long time, the defective batteries can be found and replaced in advance. It can be controlled and managed to ensure maximum battery capacity, extended life and stability.

이와 같은 목적을 달성하기 위한 본 고안은, 각 축전지들은 고유한 특성과 편차를 가지고 있으므로 충전과 방전을 반복하면 각각의 축전지들은 그 편차가 심화되는데 상호간에 편차없이 최적화를 유지하도록 자가 조정 기능를 갖도록하고, 충방전이 반복될수록 특성이 좋지 못한 축전지로 인하여 전체적인 방전 용량이 줄어 들게 되고 동작 불능 상태에 빠지게 되는데 이를 개선하기 위하여 축전지 간의 충방전을 조정하여 각 축전지들이 과다 충전이나 부족 충전이 되는 현상을 막고 모든 축전지가 거의 균등한 상태로 안전하게 충전되도록 한다. 위와 같은 기능을 하기 위하여서는 축전지의 특성 즉 축전지의 전류, 내부저항, 충방전에 따른 온도 그리고 충전 주기를 측정할 수 있어야 각각의 축전지를 정밀 조정하고 제어할수 있으며 축전지의 노후화 정도를 분석할 수 있다. 분석된 데이터를 바탕으로 불량 징후가 보이는 축전지를 관리자에게 알려주고 사전에 미리 교체할 수 있도록 한다. 그리고 충전전압, 내부저항, 온도와 같은 각종 정보와 최소 최대 값을 벗어난 경우의 경고 등 축전지의 모든 정보를 PC나 인터넷을 통하여 관리를 할 수 있도록 한다.The present invention for achieving the above object, each battery has its own characteristics and deviations, so if you repeat the charging and discharging each battery has a self-adjustment function to maintain the optimization without deviation between each other. As the charging and discharging cycles are repeated, the overall discharge capacity decreases due to poor battery characteristics and the battery becomes inoperable. In order to improve the charging and discharging, the charge and discharge of the batteries are prevented from being overcharged or undercharged. Ensure that all batteries are safely charged in almost equal condition. In order to function as above, it is necessary to measure the characteristics of the battery, that is, the current, internal resistance, temperature according to charge and discharge, and the charging cycle, so that each battery can be precisely adjusted and controlled and the degree of aging of the battery can be analyzed. . Based on the analyzed data, the administrator is notified of the battery showing signs of failure and can be replaced beforehand. In addition, all information of battery such as charging voltage, internal resistance, temperature, and warning of deviation from minimum and maximum values can be managed through PC or internet.

본 고안에 따르면 여러개의 축전지들로 구성된 축전지설비를 갖춘 UPS에서 각 축전지의 전압, 전류, 내부저항, 온도를 측정하고 분석하여 각각의 축전지가 균등하게 충방전할 수 있도록 하는 기능을 가진 개별적축전지관리장치(11)와 개별적축전지관리장치(11)와 연결되어 각 축전지의 정보를 주고 받는 양방향통신 기능을 지닌 UPS Controlor(23)로 구성된 것을 특징으로 한다.According to the present invention, the individual battery management having the function of measuring and analyzing the voltage, current, internal resistance, and temperature of each battery in the UPS equipped with battery equipment composed of several batteries so that each battery can be charged and discharged evenly It is connected to the device 11 and the individual battery management device 11 is characterized in that it consists of a UPS controller 23 having a bidirectional communication function for sending and receiving information of each battery.

이하 본 고안의 바람직한 실시 예를 첨부한 도면에 의거하여 설명하자면 다음과 같다. Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

도3은 개별적축전지관리장치(11)의 Block Diagram이며 본 고안의 목적을 달성하기 위한 필수 장치로 축전지의 전압, 전류, 내부저항, 충방전에 따른 온도 그리고 충전주기를 측정할 수 있도록 전압센서(52),전류센서(53), 내부저항센서(54), 온도센서(55)를 장착하고 CPU(60)는 이러한 정보를 받아 축전지의 상태를 파악, 분석하여 POWER DIVICE(57)를 이용 충전을 조정하고 도1의 UPS Controlor(23)와 연결되어 축전지의 정보를 공유한다.3 is a block diagram of an individual battery management apparatus 11, which is an essential device for achieving the object of the present invention, and includes a voltage sensor for measuring the voltage, current, internal resistance, temperature according to charge and discharge, and a charge cycle. 52), the current sensor 53, the internal resistance sensor 54, the temperature sensor 55 is mounted and the CPU 60 receives this information to identify and analyze the state of the battery to charge using the POWER DIVICE (57). The controller is connected to the UPS controller 23 of FIG. 1 to share the battery information.

도1은 각각의 축전지에 개별적축전지관리장치(11)를 부착하고 개별적축전지관리장치(11)와 각 축전지의 정보를 주고 받을 수 있는 양방향통신 기능을 지닌 UPS Controlor(23)를 연결하여 구성된 것으로 개별적축전지관리장치(11)는 축전지의 전압, 전류, 내부저항, 충방전에 따른 온도 그리고 충전주기등 각 축전지의 정보를 받아 축전지의 상태를 파악하고 분석한다. 그리고 축전지는 충방전이 반복될수록 축전지별로 특성이 차이가 나게 되는데 특성이 좋지 못한 축전지로 인하여 전체적인 방전 용량이 줄어 들게 되거나 동작 불능 상태에 빠지게 되므로 이런 문제를 해결하기 위하여 축전지의 특성 정보를 분석하여 개별적축전지관리장치(11)를 이용 충전을 조정하여 각각의 축전지들이 과다 충전이나 부족 충전이 되는 현상을 막고 모든 배터리가 거의 균등한 상태로 충전되도록 한다. 또한 분석된 데이터를 바탕으로 불량 징후가 보이는 축전지를 관리자에게 알려주고 사전에 미리 교체할 수 있도록 한다. 그리고 충전전압, 내부저항, 온도와 같은 각종 정보와 최소 최대 값을 벗어난 경우의 경고 등 축전지의 모든 정보를 PC나 인터넷을 통하여 관리를 할 수 있도록 한다.1 is configured by attaching an individual battery management device 11 to each battery and connecting a UPS battery control device 23 having a bidirectional communication function for transmitting and receiving information of each battery and the individual battery management device 11 individually. The battery management apparatus 11 receives information of each battery such as voltage, current, internal resistance of the battery, temperature according to charge and discharge, and charge cycle to identify and analyze the state of the battery. And as the charging and discharging battery is repeated, the characteristics of the batteries become different.Because of poor battery characteristics, the overall discharge capacity decreases or falls into an inoperable state. By adjusting the charge using the battery management device 11 to prevent the individual batteries from being overcharged or undercharged, and to ensure that all the batteries are almost equally charged. Also, based on the analyzed data, it informs the administrator of the battery showing signs of failure and can be replaced in advance. In addition, all information of battery such as charging voltage, internal resistance, temperature, and warning of deviation from minimum and maximum values can be managed through PC or internet.

이상에서와 같이 본 고안에 의하면 개별적축전지관리장치에 의한 관리가 이뤄지는 경우 문제 발생 전에 미리 불량 축전지의 징후에 대한 분석으로 미리 교체하므로써 전체 시스템에 대한 높은 신뢰성을 확보할 수 있다. 각각의 축전지의 내부저항, 온도 등의 정보를 이용하여 최대의 충전이 균등하게 이뤄지게 되는 효과를 거두게 되므로 축전지 용량 증가 와 수명 연장 효과를 볼 수 있다. 일반 충전 방식은 매 2~3년 주기로 축전지를 상태의 좋고 나쁘고 할 것 없이 전체를 다 교체해 주어야 하는데 개별적축전지관리장치를 도입한 경우 불량 축전지만을 교체함으로 실질적인 경제적 비용 절감을 상당히 할 수 있게 되며 축전지 폐기로 인한 환경문제도 줄일 수 있게 된다.As described above, according to the present invention, when the management by the individual battery management device is performed, it is possible to secure high reliability of the entire system by replacing the battery with an analysis of the symptoms of the defective battery in advance before a problem occurs. By using the information such as internal resistance, temperature, etc. of each battery, the maximum charging is achieved evenly, so the capacity of the battery can be increased and the life can be extended. The general charging method should replace all the batteries every two to three years, whether the condition is good or bad, and if the individual battery management system is introduced, it can substantially reduce the economic cost by replacing only the defective batteries and discard the batteries. Environmental problems caused by this can also be reduced.

도1은 개별적축전지관리장치를 이용한 무정전전원장치를 도시한 예시도1 is an exemplary view showing an uninterruptible power supply using an individual storage battery management device;

도2는 종래의 무정전전원장치를 도시한 예시도Figure 2 is an illustration showing a conventional uninterruptible power supply

도3은 개별적축전지관리장치를 도시한 예시도3 is an exemplary view showing an individual battery management apparatus;

〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

11: 개별적축전지관리장치(IBK) 12: 축전지 21: 정류기 22: 인버터 11: Individual battery management device (IBK) 12: Battery 21: Rectifier 22: Inverter

23: UPS Controlor 50: 축전지 51: Reverse Current Protector 23: UPS Controlor 50: Battery 51: Reverse Current Protector

52: 온도센서 53: 전압센서 54: 전류센서 55: 내부저항센서 52: temperature sensor 53: voltage sensor 54: current sensor 55: internal resistance sensor

56: Programmable Loador 57: Power Device 61: A/D Convertor 56: Programmable Loador 57: Power Device 61: A / D Convertor

62: D/A Convertor 63: Driver 60: CPU 71: Communication Interface 62: D / A Convertor 63: Driver 60: CPU 71: Communication Interface

Claims (1)

여러 개의 축전지들로 구성된 축전지설비를 갖춘 UPS에서 각 축전지의 전압, 전류, 내부저항, 온도를 측정하고 분석하여 각각의 축전지가 균등하게 충방전할 수 있도록 하는 기능을 지닌 개별적축전지관리장치(11)를 각 축전지에 연결하고 개별적축전지관리장치(11)와 축전지의 정보를 공유할 수 있도록 양방향통신 기능을 지닌 UPS Controlor(23)가 서로 연결 구성되어 각 축전지의 모든 정보를 PC나 인터넷을 통하여 관리를 할 수 있도록 하는 것을 특징으로 하는 개별적축전지관리장치(11)를 이용한 무정전전원장치.An individual battery management device having a function of measuring and analyzing voltage, current, internal resistance, and temperature of each battery in an UPS having battery equipment consisting of several batteries so that each battery can be charged and discharged evenly. Is connected to each battery and the UPS controller 23 with bidirectional communication function is connected to each other so that the individual battery management device 11 and the information of the battery can be shared so that all the information of each battery can be managed through a PC or the Internet. Uninterruptible power supply using a separate storage battery management device, characterized in that to enable.
KR20-2005-0022829U 2005-08-07 2005-08-07 UPS Using Individual Battery Kit KR200399135Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8069000B2 (en) 2007-08-29 2011-11-29 Powertron Engineering Co., Ltd. Aging status diagnostic apparatus for power conversion system, and method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8069000B2 (en) 2007-08-29 2011-11-29 Powertron Engineering Co., Ltd. Aging status diagnostic apparatus for power conversion system, and method thereof

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